#173D45 Color
#173D45 is rgb(23, 61, 69) in RGB, hsl(190, 50%, 18%) in HSL, and about cmyk(67%, 12%, 0%, 73%) in CMYK. It has no registered color name of its own — the closest is Deep Teal (#003B46), very hard to tell apart at ΔE 4.06. White text is the more readable choice on this background.
#173D45rgb(23, 61, 69)hsl(190, 50%, 18%)hsv(190, 67%, 27%)cmyk(67%, 12%, 0%, 73%)oklch(33.6% 0.045 213.6)lab(23.33% -11.87 -9.23)lch(23.33% 15.03 217.87)What #173D45 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #173D45, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every teal in the library.
#173D45 Channel Values
How #173D45 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 23 · G 61 · B 69 | 8-bit channels as sent to the display |
| HSL | H 190° · S 50% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 190° · S 67% · V 27% | Matches the picker in most design tools |
| CMYK | C 67% · M 12% · Y 0% · K 73% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.73:1 vs white · 1.79:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #173D45 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #173D45 in the contrast checker.
Colors That Go With #173D45
Pairings derived from color-wheel relationships. The complementary color sits opposite #173D45; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #173D45
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #173D45.
How #173D45 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#173D45#383845#2E3A45#343446#2B3845#143E3E#153E41#383838Using #173D45 in Code
Copy-ready declarations for the places this color usually ends up.
--color-173d45: #173D45;background-color: #173D45;colors: { 'color-173d45': '#173D45' }Color(red: 0.090, green: 0.239, blue: 0.271)<color name="color_173d45">#173D45</color>fill="#173D45"More Teal Colors
#173D45 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#173D45 Frequently Asked Questions
What color is #173D45?
#173D45 is a darkest teal — rgb(23, 61, 69) in RGB and hsl(190, 50%, 18%) in HSL. It carries no registered color name of its own; the closest named color is Deep Teal (#003B46), which is very hard to tell apart at a CIE76 distance of 4.06.
What is the RGB value of #173D45?
#173D45 is rgb(23, 61, 69) — red 23, green 61, and blue 69 on the 0-255 scale.
What is the CMYK value of #173D45?
#173D45 converts to approximately cmyk(67%, 12%, 0%, 73%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #173D45 be black or white?
White text is the more readable choice. #173D45 scores 11.73:1 against white and 1.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #173D45 as a CSS color keyword?
No. #173D45 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkslategray (#2F4F4F) at a CIE76 distance of 9.45, which is clearly related but distinguishable side by side.
Open #173D45 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.